Ethiopia’s transport minister, Dagmawit Moges, made the claim to reporters and said parallels between the two crashes will be the “subject of further study during the investigation.” The government plans to release its findings within one month, Moges said, without elaborating on what the similarities are.

“The black box has been found in good condition. That enabled us to extract almost all the data inside,” she said.

Suspicions have honed in on an automated anti-stalling system in the Boeing 737 MAX 8 that pushed the Lion Air plane’s nose down following takeoff.

Satellite-based tracking data has shown that both flights had similar erratic movements, which could indicate the pilots struggled to control their aircraft, the US Federal Aviation Administration said.

Shortly after takeoff, both crews tried to return to airports but crashed.